March 5, 2009
I want a car that uses less gasoline — fewer gallons per mile — but car makers quote fuel economy in miles per gallon instead. The resulting numbers are counter-intuitive, leading to decisions that create needless waste, cost, and CO2 emissions.
For example, upgrading from a 20 mpg car to a 35 mpg car seems about [...]
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February 1, 2009
There’s recently been another ripple of media attention to the other CO2 problem: Not climate change, but ocean acidification. In brief: The oceans absorb a portion of CO2 emissions; this mitigates greenhouse warming, but forms carbonic acid, lowering ocean pH. Acidification of the oceans impedes the formation of coral and shells, and within decades, if [...]
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